Duty cycle differences when tigging with Helium

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Can someone with proper knowledge please explain how tigging with helium verse argon changes the duty cycle of a giving welding machine ? Thanks
Reply:http://weldingweb.com/vbb/showthread.php?t=37455Check out post #17 by Pulser.MikeConstans Fides et IntegritasLincoln Weldanpower 150 ACAirco Aircomatic MIGet CAV II w/ spoolgunMillermatic 30a wirefeeder
Reply:It doesn't. The helium makes the arc hotter, but amps out of the machine is what determines duty cycle.
Reply:Originally Posted by welds4dIt doesn't. The helium makes the arc hotter, but amps out of the machine is what determines duty cycle.